WO2015081459A1 - Cup and breast pump comprising same - Google Patents

Abstract

A cup (2) and breast pump comprising same; the cup (2) comprises a guard (21) made of thermoplastic material and having a flared opening, and a hemispherical guard casing (22) made of thermoplastic material; the throat of the guard (21) is located in the guard casing (22); the abutting edges of the guard (21) and the guard casing (22) enclose the guard (21) and the guard casing (22) to form a detachable fixing structure; the cup (2) further comprises an airbag (23) made of soft rubber material located in the cup (2); the airbag (23) covers the throat of the guard (21); the edge of the airbag (23) is clamped within the abutting gaps between the guard (21) and the guard casing (22); the airbag (23) divides the cup (2) into a negative pressure cavity (24) at the front and a milk chamber (25) at the rear; the negative pressure cavity (24) is provided with a negative pressure inlet (24b); and a milk outlet (25b) is provided in the lower part of the milk chamber (25). The cup (2) is suitable to be covered in a brassiere for privacy, has a simple structure, is easy to disassemble and clean, and prevents backflow of breast milk into a negative pressure pump (1).

Description

 Cup and breast pump containing the same

 SUMMARY OF THE INVENTION The present invention is directed to a device for utilizing negative pressure to assist a lactating woman to export milk, and more particularly to an improved cup and breast pump.

Background technique

 Chinese utility model 200520065795. 0 discloses a breast pump comprising a negative pressure pump, a three-way suction device and a milk storage bottle, wherein one end of the three-way suction device is connected with the negative pressure pump, so that The other end forms a negative pressure; the other end is connected to the cup, the cup is manufactured to match the shape of the breast, so that the breast is butted, and the milk is introduced; at the same time, one end is connected with the milk bottle, so that the milk introduced by the negative pressure is collected through the milk bottle. stand up. It helps the mother to export the milk, and its presence is: Exposure, trouble, and inconvenient cleaning. '

 Chinese invention patent application 201310138498. 3 discloses a breast pump with a matching breast milk reservoir which combines the cup with the milk storage container to fit the cup and the milk storage container in the bra. It has the advantages of using hidden and hands-free operation. The problem is: During use, especially when the maternal milk is more or when the mother does not pay attention to bending, the milk is easily sucked into the negative pressure pump by negative pressure, and cannot be excluded. The possibility of the milk entering the vacuum pump through the hose under the action of negative pressure.

 Chinese utility model 201220625761. 2 discloses a breast pump that separates the three-way suction device from the cup and the bottle, and the parts are connected by a hose, which is suitable for hiding on the body, and the milk is separated by the diaphragm. The negative pressure pump is isolated to prevent the possibility of milk entering the negative pressure pump through the hose. The disadvantages are: There are many parts and the components are connected and carried on the body, which is inconvenient.

 In summary, the above-mentioned breast pump can play different roles in helping to export milk, solving body exposure during use, and satisfying people's work while sucking milk. However, milk that may be produced by sucking milk with negative pressure can be produced. Adhesion to the aspirator, the cleaning of the breast pump, the convenient use of the breast pump, and the entry of the milk into the vacuum pump have not been well resolved.

Summary of the invention

The cup and the breast pump created by the invention, the airbag completely separates the breast shield from the shield shell Therefore, it is impossible for the milk to enter the negative pressure pump from the negative pressure input port, which fundamentally eliminates the adverse effect of the milk countercurrent on the negative pressure pump and presents its new characteristics.

 The cup and the breast pump of the present invention have a three-way suction device incorporated in the cup, thereby improving the structure of the conventional product, which is more convenient to be hidden on the body, and is more simple to carry on the body and shows its innovation. Features.

 The cup and the breast pump are clamped by their flanges in the mating gap between the detachable shroud and the shroud housing, and the airbag can be separated not only by disassembly, but also for cleaning, and when the user assembles The sealing between the airbag and the shroud housing and between the airbag and the shroud can be ensured, and the construction thereof has a simpler advantage.

 SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a separation structure for a gas-liquid line therein which is suitable for concealing in a maternal bra and preventing the milk from flowing back into the negative pressure pump for easy removal of the cleaned cup and the breast pump.

 The cup of the present invention is implemented by the following scheme:

 A cup comprising a flared shroud made of a thermoplastic material and a hemispherical shroud housing made of a thermoplastic material, wherein the shroud of the shroud is located in the shroud housing, The abutting edge of the shroud and the shroud housing closes the two to form a detachable fixing structure, and is characterized in that it further comprises an air bag made of a soft rubber material, the air bag is located in the cup, and the air bag cover is shrunk in the shroud At the mouth, and sandwiched by the edge of the airbag in the gap of the abutting edge of the shield and the shield shell, the airbag divides the cup into a negative pressure chamber at the front end and a milking chamber at the rear end, in the negative pressure chamber There is a negative pressure input port, and the milk chamber has a milk outlet at the lower part.

 The breast pump of the present invention is implemented by the following scheme:

 A breast pump includes a negative pressure pump and a milk bag, and is characterized in that it further comprises the above-mentioned cup connected to the negative pressure pump and the milk bag.

 The cup can be fixedly hidden between the breast and the bra, and the cup is connected to the negative pressure pump and the milk bag through the vacuum inlet and the outlet of the hose.

In this way, when the negative pressure pump is working, it is pumped through the negative pressure input port, and can be in the negative pressure chamber of the cup Negative pressure is generated in the chamber, so that the airbag is inflated outward, and a negative pressure is generated in the shield, and the milk can be discharged from the nipple. At this time, the milk can flow to the lower part of the milking chamber through the gap between the airbag and the shield. Mouth, flowing from the milk outlet into the milk bag.

 The cup and the breast pump created by the invention can be hidden between the breast and the bra, and the negative pressure pump and the milk bag can be used in other parts of the body, and can be used concealed, and in the process of sucking milk, there is almost no need to It can be done with the help of the hand, so the hand is freed and other work can be done.

 In the cup and the breast pump of the present invention, the airbag separates the negative pressure chamber from the milking chamber, so that it is impossible to enter the negative pressure chamber and flow into the negative pressure pump during use, thereby eliminating the countercurrent flow to the negative pressure pump Have an adverse effect.

 Since the cup and the breast pump are detachable, the airbag can be easily separated, and then the assembly is convenient, so that the components can be thoroughly cleaned and disinfected to avoid residual milk. bacterial. ' The vacuum suction and gas-liquid separation process of the cup and the breast pump are completed simultaneously in the cup. Therefore, it is not necessary to provide a component such as a three-way suction device, so that the number of parts of the breast pump can be reduced, which is more advantageous. Easy to use and carry.

Picture description

 Figure 1 is a schematic view of a specific embodiment of the breast pump of the present invention;

 Figure 2 is a schematic view showing the separation structure of the cup in the breast pump of Figure 1;

 Figure 3 is a cross-sectional structural view of the cup in the breast pump of Figure 1;

 Figure 4 is a schematic cross-sectional view of the cup of Figure 3 during operation.

detailed description

 The present invention will be specifically described below in conjunction with the accompanying drawings:

 Referring to Fig. 1, the present breast pump includes a negative pressure pump 1, a cup 2, and a milk bag 3, and a negative pressure is generated in the cup 2 by the negative pressure pump 1, and the milk secreted by the nipple is introduced into the cup 2, and is discharged from the cup 2. The milk port 25b is fed into the milk bag 3.

Referring to Fig. 1 or Fig. 2, the cup 2 can be placed on the breast, and the bra can be worn again to make the cup fixed. Between the breast and the bra, the hose is connected to the negative pressure pump 1 and the milk bag 3 through the negative pressure input port 24b and the milk outlet 25b.

 Referring to Figures 2 and 3, the cup 2 includes a shield 21 made of a thermoplastic material. The opening of the shield 21 is flared; and a shield housing 22 made of a thermoplastic material, the shield housing 22 At the same time, the constriction of the shroud 21 is located inside the shroud housing 22, and the inside of the shroud 21 is closed by the abutting edge of the shroud 21 and the shroud housing 22, and constitutes a detachable fixing structure, the cup 2 is also provided with an air bag 2'3 made of a soft rubber material, and the air bag 23 is placed at the constriction of the shroud 21, and is clamped by the edge of the air bag 23 to the butt edge of the shroud 21 and the shroud housing 22. In the gap between the two, the cup 2 is divided by the air bag 23 into a negative pressure chamber 24 at the front end and a milking chamber 25 at the rear end, and a negative pressure input port 24b is opened in the negative pressure chamber 24, and the milk chamber is opened. The chamber has a milking opening 25b at the lower portion.

 Thus, referring to Fig. 1 to Fig. 4, the cover of the shield 21 is placed on the breast to allow the nipple to protrude from the contraction of the shield 21. When the negative pressure pump 1 is turned on to operate, the negative pressure pump 1 will pass through the negative The pressure input port 24b draws air and generates a negative pressure in the negative pressure chamber 24, at which time the air bag 23 will expand outward, causing the space of the milking chamber 25 to become large, thereby also being generated in the milking chamber 25. Negative pressure, so that the nipple is subjected to the negative pressure of the milk chamber 25, and the milk can be discharged. At this time, the milk can be flowed from the gap between the airbag 23 and the shield 21 to the lower portion, and flows into the milk from the milk outlet 25b. Bag 3.

Claims

Claims, a cup comprising a flared shroud made of a thermoplastic material and a hemispherical shroud housing made of a thermoplastic material, wherein the shroud of the shroud is located in the shroud shell The inner body is closed by the abutting edges of the shield and the shield shell to form a detachable fixing structure, and is characterized in that it further comprises an airbag made of a soft rubber material, the airbag is located in the cup, and the airbag cover is protected. The nip of the hood is clamped by the rim of the airbag in the gap between the hood and the hood of the hood, and the airbag divides the cup into a negative pressure chamber at the front end and a milking chamber at the rear end. The negative pressure chamber has a negative pressure input port, and the milk chamber has a milk outlet at the lower portion. A breast pump comprising a negative pressure pump and a milk bag, characterized in that it further comprises a cup according to claim 1 connected to the negative pressure pump and the milk bag. The breast pump according to claim 2, wherein the cup is disposed between the breast and the bra, the cup is passed through the hose through the negative pressure input port, the milk outlet and the negative pressure pump, respectively. The milk bags are connected.